The Chandra Cygnus OB2 Legacy Survey: Design and X-Ray Point-source Catalog (2023)
Journal Article
Wright, N. J., Drake, J. J., Guarcello, M. G., Aldcroft, T. L., Kashyap, V. L., Damiani, F., …Fruscione, A. (2023). The Chandra Cygnus OB2 Legacy Survey: Design and X-Ray Point-source Catalog. Astrophysical Journal Supplement, 269(1), Article 7. https://doi.org/10.3847/1538-4365/acdd62

The Cygnus OB2 association is the largest concentration of young and massive stars within 2 kpc of the Sun, including an estimated ∼65 O-type stars and hundreds of OB stars. The Chandra Cygnus OB2 Legacy Survey is a large imaging program undertaken w... Read More about The Chandra Cygnus OB2 Legacy Survey: Design and X-Ray Point-source Catalog.

Simulating the Sensitivity to Stellar Point Sources of Chandra X-Ray Observations (2023)
Journal Article
Wright, N. J., Drake, J. J., Guarcello, M. G., Kashyap, V. L., & Zezas, A. (2023). Simulating the Sensitivity to Stellar Point Sources of Chandra X-Ray Observations. Astrophysical Journal Supplement, 269(1), Article 8. https://doi.org/10.3847/1538-4365/acdd63

The Chandra Cygnus OB2 Legacy Survey is a wide and deep X-ray survey of the nearby and massive Cygnus OB2 association. The survey has detected ∼8000 X-ray sources, the majority of which are pre-main-sequence X-ray-emitting young stars in the associat... Read More about Simulating the Sensitivity to Stellar Point Sources of Chandra X-Ray Observations.

Optical and Infrared Counterparts of the X-Ray Sources Detected in the Chandra Cygnus OB2 Legacy Survey (2023)
Journal Article
Guarcello, M. G., Drake, J. J., Wright, N. J., Naylor, T., Flaccomio, E., Kashyap, V. L., & García-Alvarez, D. (2023). Optical and Infrared Counterparts of the X-Ray Sources Detected in the Chandra Cygnus OB2 Legacy Survey. Astrophysical Journal Supplement, 269(1), 9. https://doi.org/10.3847/1538-4365/acdd64

The young massive OB association Cygnus OB2, in the Cygnus X complex, is the closest (∼1400 pc) star-forming region to the Sun hosting thousands of young low-mass stars and up to 1000 OB stars, among which are some of the most massive stars known in... Read More about Optical and Infrared Counterparts of the X-Ray Sources Detected in the Chandra Cygnus OB2 Legacy Survey.

Estimating the Convective Turnover Time (2022)
Journal Article
Wright. (2022). Estimating the Convective Turnover Time. Astrophysical Journal, 1-6. https://doi.org/10.3847/1538-4357/ac9cd8

The introduction of the Rossby number (R0), which incorporates the convective turnover time (t), in 1984 was a pioneering idea for understanding the correlation between stellar rotation and activity. The convective turnover time, which cannot be meas... Read More about Estimating the Convective Turnover Time.

The structure and 3D kinematics of vela OB2 (2022)
Journal Article
Armstrong, J. J., Wright, N. J., Jeffries, R. D., Jackson, R. J., & Cantat-Gaudin, T. (2022). The structure and 3D kinematics of vela OB2. Monthly Notices of the Royal Astronomical Society, 517(4), 5704 - 5720. https://doi.org/10.1093/mnras/stac3101

The kinematics of stars in OB associations can provide insights into their formation, dynamical evolution, and eventual fate. The low-mass stellar content of OB associations are sufficiently numerous as to provide a detailed sampling of their kinemat... Read More about The structure and 3D kinematics of vela OB2.

The Gaia-ESO Public Spectroscopic Survey: Implementation, data products, open cluster survey, science, and legacy (2022)
Journal Article
Wright, Jeffries, Abbas, U., Borsen-Koch, V., Villanova, S., Wright, N., …Bragaglia, A. (2022). The Gaia-ESO Public Spectroscopic Survey: Implementation, data products, open cluster survey, science, and legacy. Astronomy & Astrophysics, https://doi.org/10.1051/0004-6361/202243141

Context. In the last 15 years different ground-based spectroscopic surveys have been started (and completed) with the general aim of delivering stellar parameters and elemental abundances for large samples of Galactic stars, complementing Gaia astrom... Read More about The Gaia-ESO Public Spectroscopic Survey: Implementation, data products, open cluster survey, science, and legacy.

The Gaia-ESO Public Spectroscopic Survey: Motivation, implementation, GIRAFFE data processing, analysis, and final data products star (2022)
Journal Article
Gilmore, G., Randich, S., Worley, C., Hourihane, A., Gonneau, A., Sacco, G., …Zorec, J. (2022). The Gaia-ESO Public Spectroscopic Survey: Motivation, implementation, GIRAFFE data processing, analysis, and final data products star. Astronomy & Astrophysics, 66, Article A120. https://doi.org/10.1051/0004-6361/202243134

Context. The Gaia-ESO Public Spectroscopic Survey is an ambitious project designed to obtain astrophysical parameters and elemental abundances for 100 000 stars, including large representative samples of the stellar populations in the Galaxy, and a w... Read More about The Gaia-ESO Public Spectroscopic Survey: Motivation, implementation, GIRAFFE data processing, analysis, and final data products star.

Large-scale expansion of OB stars in Cygnus (2022)
Journal Article
Wright. (2022). Large-scale expansion of OB stars in Cygnus. Monthly Notices of the Royal Astronomical Society, 687 - 692. https://doi.org/10.1093/mnras/stac1526

The proper motions (PMs) of OB stars in Cygnus have recently been found to exhibit two large-scale kinematic patterns suggestive of expansion. We perform a 3D traceback on these OB stars, the newly identified OB associations and related open clusters... Read More about Large-scale expansion of OB stars in Cygnus.

Quantifying kinematic substructure in star-forming regions with statistical tests of spatial autocorrelation (2022)
Journal Article
Arnold, B., Wright, N., & Parker, R. J. (2022). Quantifying kinematic substructure in star-forming regions with statistical tests of spatial autocorrelation. Monthly Notices of the Royal Astronomical Society, 515(2), 2266–2279. https://doi.org/10.1093/mnras/stac1955

We investigate whether spatial-kinematic substructure in young star-forming regions can be quantified using Moran's $I$ statistic. Its presence in young star clusters would provide an indication that the system formed from initially substructured con... Read More about Quantifying kinematic substructure in star-forming regions with statistical tests of spatial autocorrelation.

The Gaia-ESO Survey: Target selection of open cluster stars (2022)
Journal Article
Bragaglia, A., Alfaro, E., Flaccomio, E., Blomme, R., Donati, P., Costado, M., …Vink, J. (in press). The Gaia-ESO Survey: Target selection of open cluster stars. Astronomy & Astrophysics, 659, Article A200. https://doi.org/10.1051/0004-6361/202142674

Context. The Gaia-ESO Survey (GES) is a public, high-resolution spectroscopic survey, conducted with the multi-object spectrograph Fibre Large Array Multi Element Spectrograph (FLAMES) on the Very Large Telescope (European Southern Observatory, ESO,... Read More about The Gaia-ESO Survey: Target selection of open cluster stars.

Proper motions of OB stars in the far Carina Arm (2021)
Journal Article
Wright. (2021). Proper motions of OB stars in the far Carina Arm. Monthly Notices of the Royal Astronomical Society, 4952 - 4968. https://doi.org/10.1093/mnras/stab2905

<jats:title>ABSTRACT</jats:title> <jats:p>In large-scale maps of the Galactic disc, the Carina Arm stands out as a clear spiral feature, hosting prominent star clusters and associations rich in massive stars. We study the proper motions of 4199 O and... Read More about Proper motions of OB stars in the far Carina Arm.

High-resolution H alpha imaging of the northern Galactic plane and the IGAPS image database (2021)
Journal Article
Wright. (2021). High-resolution H alpha imaging of the northern Galactic plane and the IGAPS image database. Astronomy & Astrophysics, https://doi.org/10.1051/0004-6361/202140950

The INT Galactic Plane Survey (IGAPS) is the merger of the optical photometric surveys IPHAS and UVEX based on data from the Isaac Newton Telescope (INT) obtained between 2003 and 2018. It captures the entire northern Galactic plane within the Galact... Read More about High-resolution H alpha imaging of the northern Galactic plane and the IGAPS image database.

The Gaia-ESO Survey: Membership probabilities for stars in 63 open and 7 globular clusters from 3D kinematics (2021)
Journal Article
Wright, & Jeffries. (2021). The Gaia-ESO Survey: Membership probabilities for stars in 63 open and 7 globular clusters from 3D kinematics. Monthly Notices of the Royal Astronomical Society, https://doi.org/10.1093/mnras/stab3032

Spectroscopy from the final internal data release of the Gaia-ESO Survey (GES) has been combined with Gaia EDR3 to assign membership probabilities to targets observed towards 63 Galactic open clusters and 7 globular clusters. The membership probabili... Read More about The Gaia-ESO Survey: Membership probabilities for stars in 63 open and 7 globular clusters from 3D kinematics.

Revisiting the Cygnus OB associations (2021)
Journal Article
Wright. (2021). Revisiting the Cygnus OB associations. Monthly Notices of the Royal Astronomical Society, 2370 - 2385. https://doi.org/10.1093/mnras/stab2663

OB associations play an important role in Galactic evolution, though their origins and dynamics remain poorly studied, with only a small number of systems analysed in detail. In this paper, we revisit the existence and membership of the Cygnus OB ass... Read More about Revisiting the Cygnus OB associations.

Dispersal timescale of protoplanetary disks in the low-metallicity young cluster Dolidze 25 (2021)
Journal Article
Wright. (2021). Dispersal timescale of protoplanetary disks in the low-metallicity young cluster Dolidze 25. Astronomy & Astrophysics, 1-37. https://doi.org/10.1051/0004-6361/202140361

<jats:p><jats:italic>Context.</jats:italic> The dispersal of protoplanetary disks sets the timescale that is available for planets to assemble, and thus it is one of the fundamental parameters in theories of planetary formation. Disk dispersal is det... Read More about Dispersal timescale of protoplanetary disks in the low-metallicity young cluster Dolidze 25.

OB associations and their origins (2020)
Journal Article
Wright. (2020). OB associations and their origins. New Astronomy Reviews, https://doi.org/10.1016/j.newar.2020.101549

OB associations are unbound groups of young stars made prominent by their bright OB members, and have long been thought to be the expanded remnants of dense star clusters. They have been important in astrophysics for over a century thanks to their lu... Read More about OB associations and their origins.

The Gaia-ESO Survey: Galactic evolution of lithium at high metallicity (2020)
Journal Article
Jeffries, R., & Wright, N. J. (2020). The Gaia-ESO Survey: Galactic evolution of lithium at high metallicity. Astronomy and Astrophysics, https://doi.org/10.1051/0004-6361/202038688

Context. Reconstructing the Galactic evolution of lithium (Li) is the main tool used to constrain the source(s) of Li enrichment in the Galaxy. Recent results have suggested a decline in Li at supersolar metallicities, which may indicate reduced prod... Read More about The Gaia-ESO Survey: Galactic evolution of lithium at high metallicity.

The Gaia-ESO Survey: Membership probabilities for stars in 32 open clusters from 3D kinematics (2020)
Journal Article
Jeffries, & Wright. (2020). The Gaia-ESO Survey: Membership probabilities for stars in 32 open clusters from 3D kinematics. Monthly Notices of the Royal Astronomical Society, 4701-4716. https://doi.org/10.1093/mnras/staa1749

The Gaia-ESO Survey (GES) observed many open clusters as part of its programme to spectroscopically characterise the various Milky Way populations. GES spectroscopy and Gaia astrometry from its second data release are used here to assign membership p... Read More about The Gaia-ESO Survey: Membership probabilities for stars in 32 open clusters from 3D kinematics.

IGAPS: the merged IPHAS and UVEX optical surveys of the northern Galactic plane (2020)
Journal Article
Wright. (2020). IGAPS: the merged IPHAS and UVEX optical surveys of the northern Galactic plane. Astronomy and Astrophysics, https://doi.org/10.1051/0004-6361/201937333

The INT Galactic Plane Survey (IGAPS) is the merger of the optical photometric surveys, IPHAS and UVEX, based on data from the Isaac Newton Telescope (INT) obtained between 2003 and 2018. Here, we present the IGAPS point source catalogue. It contains... Read More about IGAPS: the merged IPHAS and UVEX optical surveys of the northern Galactic plane.

The velocity structure of Cygnus OB2 (2020)
Journal Article
Arnold, B., Goodwin, S. P., & Wright, N. J. (2020). The velocity structure of Cygnus OB2. Monthly Notices of the Royal Astronomical Society, 495(3), 3474-3481. https://doi.org/10.1093/mnras/staa1403

The kinematic structure of the Cygnus OB2 association is investigated. No evidence of expansion or contraction is found at any scale within the region. Stars that are within $\sim$ 0.5 parsecs of one another are found to have more similar velocities... Read More about The velocity structure of Cygnus OB2.